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Department of Physics and Astronomy

The Department of Physics and Astronomy has a rich and long history dating back to the latter part of the 19th century. Our faculty and students are exploring nature at all length scales, from the subatomic (quarks and gluons) to the macroscopic (black holes and dark energy), and everything in between (atomic and biological systems).

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Scientific Method: Questioning quantum mechanics

The field of quantum mechanics was created a century ago. Today, scientists are using it to create methods of communication that can’t be hacked, higher quality digital images, and to develop medications. Purdue Physics and Astronomy 150th Anniversary Professor Erica Carlson talks to NPR's 1A podcast.

US-built carbon support tube arrives at CERN for the CMS experiment upgrade

Fermilab — A key milestone in the U.S.-funded upgrade to the CMS experiment was achieved with the successful delivery of a 5-meter-long carbon support tube to CERN. Designed and built at Purdue University, the tube will house new inner particle detectors for CMS, which is being prepared for the high-luminosity upgrade of the Large Hadron Collider. The CMS collaboration is composed of scientists from roughly 240 institutions spread across more than 50 countries. Purdue Physicist Andy Jung was one of those scientists.

2025 College of Science Research Awards

Join the College of Science as we celebrate groundbreaking research and exceptional achievements at the 2025 Research Awards. These prestigious awards recognize the contributions of our distinguished tenured faculty, including this year’s honorees for their impactful work advancing scientific discovery and innovation. Physics and Astronomy Professor Tongcang Li is one of three recipients.

NASA’s Webb Reveals Intricate Layers of Interstellar Dust, Gas

NASA — NASA’s James Webb Space Telescope has observed that infrared glow, revealing fine details resembling the knots and whorls of wood grain. These observations allow astronomers to map the true 3D structure of this interstellar dust and gas (known as the interstellar medium) for the first time. Purdue Physics and Astronomy Associate Professor Danny Milisavljevic is part of the team behind the results.

First look: Purdue’s new Academic Success Building in Indianapolis

INDIANAPOLIS — Conceptual renderings of Purdue’s new Academic Success Building in Indianapolis were released Wednesday (Jan. 15), bringing a uniquely Purdue look to the Circle City. Approved by the Purdue University Board of Trustees in June, the 248,000-square-foot red brick building, to be located near the intersection of West and Michigan streets, will be the initial centerpiece of Purdue’s urban expansion, providing classrooms, laboratories, dining and housing, as well as space for community and local high schools’ use.

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Department of Physics and Astronomy, 525 Northwestern Avenue, West Lafayette, IN 47907-2036 • Phone: (765) 494-3000 • Fax: (765) 494-0706

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